stm32f7xx_hal_rcc.h 60 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f7xx_hal_rcc.h
  4. * @author MCD Application Team
  5. * @brief Header file of RCC HAL module.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
  10. *
  11. * Redistribution and use in source and binary forms, with or without modification,
  12. * are permitted provided that the following conditions are met:
  13. * 1. Redistributions of source code must retain the above copyright notice,
  14. * this list of conditions and the following disclaimer.
  15. * 2. Redistributions in binary form must reproduce the above copyright notice,
  16. * this list of conditions and the following disclaimer in the documentation
  17. * and/or other materials provided with the distribution.
  18. * 3. Neither the name of STMicroelectronics nor the names of its contributors
  19. * may be used to endorse or promote products derived from this software
  20. * without specific prior written permission.
  21. *
  22. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  23. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  25. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  26. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  28. * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  29. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  30. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32. *
  33. ******************************************************************************
  34. */
  35. /* Define to prevent recursive inclusion -------------------------------------*/
  36. #ifndef __STM32F7xx_HAL_RCC_H
  37. #define __STM32F7xx_HAL_RCC_H
  38. #ifdef __cplusplus
  39. extern "C" {
  40. #endif
  41. /* Includes ------------------------------------------------------------------*/
  42. #include "stm32f7xx_hal_def.h"
  43. /* Include RCC HAL Extended module */
  44. /* (include on top of file since RCC structures are defined in extended file) */
  45. #include "stm32f7xx_hal_rcc_ex.h"
  46. /** @addtogroup STM32F7xx_HAL_Driver
  47. * @{
  48. */
  49. /** @addtogroup RCC
  50. * @{
  51. */
  52. /* Exported types ------------------------------------------------------------*/
  53. /** @defgroup RCC_Exported_Types RCC Exported Types
  54. * @{
  55. */
  56. /**
  57. * @brief RCC Internal/External Oscillator (HSE, HSI, LSE and LSI) configuration structure definition
  58. */
  59. typedef struct
  60. {
  61. uint32_t OscillatorType; /*!< The oscillators to be configured.
  62. This parameter can be a value of @ref RCC_Oscillator_Type */
  63. uint32_t HSEState; /*!< The new state of the HSE.
  64. This parameter can be a value of @ref RCC_HSE_Config */
  65. uint32_t LSEState; /*!< The new state of the LSE.
  66. This parameter can be a value of @ref RCC_LSE_Config */
  67. uint32_t HSIState; /*!< The new state of the HSI.
  68. This parameter can be a value of @ref RCC_HSI_Config */
  69. uint32_t HSICalibrationValue; /*!< The HSI calibration trimming value (default is RCC_HSICALIBRATION_DEFAULT).
  70. This parameter must be a number between Min_Data = 0x00 and Max_Data = 0x1F */
  71. uint32_t LSIState; /*!< The new state of the LSI.
  72. This parameter can be a value of @ref RCC_LSI_Config */
  73. RCC_PLLInitTypeDef PLL; /*!< PLL structure parameters */
  74. }RCC_OscInitTypeDef;
  75. /**
  76. * @brief RCC System, AHB and APB busses clock configuration structure definition
  77. */
  78. typedef struct
  79. {
  80. uint32_t ClockType; /*!< The clock to be configured.
  81. This parameter can be a value of @ref RCC_System_Clock_Type */
  82. uint32_t SYSCLKSource; /*!< The clock source (SYSCLKS) used as system clock.
  83. This parameter can be a value of @ref RCC_System_Clock_Source */
  84. uint32_t AHBCLKDivider; /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
  85. This parameter can be a value of @ref RCC_AHB_Clock_Source */
  86. uint32_t APB1CLKDivider; /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
  87. This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
  88. uint32_t APB2CLKDivider; /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
  89. This parameter can be a value of @ref RCC_APB1_APB2_Clock_Source */
  90. }RCC_ClkInitTypeDef;
  91. /**
  92. * @}
  93. */
  94. /* Exported constants --------------------------------------------------------*/
  95. /** @defgroup RCC_Exported_Constants RCC Exported Constants
  96. * @{
  97. */
  98. /** @defgroup RCC_Oscillator_Type Oscillator Type
  99. * @{
  100. */
  101. #define RCC_OSCILLATORTYPE_NONE ((uint32_t)0x00000000U)
  102. #define RCC_OSCILLATORTYPE_HSE ((uint32_t)0x00000001U)
  103. #define RCC_OSCILLATORTYPE_HSI ((uint32_t)0x00000002U)
  104. #define RCC_OSCILLATORTYPE_LSE ((uint32_t)0x00000004U)
  105. #define RCC_OSCILLATORTYPE_LSI ((uint32_t)0x00000008U)
  106. /**
  107. * @}
  108. */
  109. /** @defgroup RCC_HSE_Config RCC HSE Config
  110. * @{
  111. */
  112. #define RCC_HSE_OFF ((uint32_t)0x00000000U)
  113. #define RCC_HSE_ON RCC_CR_HSEON
  114. #define RCC_HSE_BYPASS ((uint32_t)(RCC_CR_HSEBYP | RCC_CR_HSEON))
  115. /**
  116. * @}
  117. */
  118. /** @defgroup RCC_LSE_Config RCC LSE Config
  119. * @{
  120. */
  121. #define RCC_LSE_OFF ((uint32_t)0x00000000U)
  122. #define RCC_LSE_ON RCC_BDCR_LSEON
  123. #define RCC_LSE_BYPASS ((uint32_t)(RCC_BDCR_LSEBYP | RCC_BDCR_LSEON))
  124. /**
  125. * @}
  126. */
  127. /** @defgroup RCC_HSI_Config RCC HSI Config
  128. * @{
  129. */
  130. #define RCC_HSI_OFF ((uint32_t)0x00000000U)
  131. #define RCC_HSI_ON RCC_CR_HSION
  132. #define RCC_HSICALIBRATION_DEFAULT ((uint32_t)0x10U) /* Default HSI calibration trimming value */
  133. /**
  134. * @}
  135. */
  136. /** @defgroup RCC_LSI_Config RCC LSI Config
  137. * @{
  138. */
  139. #define RCC_LSI_OFF ((uint32_t)0x00000000U)
  140. #define RCC_LSI_ON RCC_CSR_LSION
  141. /**
  142. * @}
  143. */
  144. /** @defgroup RCC_PLL_Config RCC PLL Config
  145. * @{
  146. */
  147. #define RCC_PLL_NONE ((uint32_t)0x00000000U)
  148. #define RCC_PLL_OFF ((uint32_t)0x00000001U)
  149. #define RCC_PLL_ON ((uint32_t)0x00000002U)
  150. /**
  151. * @}
  152. */
  153. /** @defgroup RCC_PLLP_Clock_Divider PLLP Clock Divider
  154. * @{
  155. */
  156. #define RCC_PLLP_DIV2 ((uint32_t)0x00000002U)
  157. #define RCC_PLLP_DIV4 ((uint32_t)0x00000004U)
  158. #define RCC_PLLP_DIV6 ((uint32_t)0x00000006U)
  159. #define RCC_PLLP_DIV8 ((uint32_t)0x00000008U)
  160. /**
  161. * @}
  162. */
  163. /** @defgroup RCC_PLL_Clock_Source PLL Clock Source
  164. * @{
  165. */
  166. #define RCC_PLLSOURCE_HSI RCC_PLLCFGR_PLLSRC_HSI
  167. #define RCC_PLLSOURCE_HSE RCC_PLLCFGR_PLLSRC_HSE
  168. /**
  169. * @}
  170. */
  171. /** @defgroup RCC_System_Clock_Type RCC System Clock Type
  172. * @{
  173. */
  174. #define RCC_CLOCKTYPE_SYSCLK ((uint32_t)0x00000001U)
  175. #define RCC_CLOCKTYPE_HCLK ((uint32_t)0x00000002U)
  176. #define RCC_CLOCKTYPE_PCLK1 ((uint32_t)0x00000004U)
  177. #define RCC_CLOCKTYPE_PCLK2 ((uint32_t)0x00000008U)
  178. /**
  179. * @}
  180. */
  181. /** @defgroup RCC_System_Clock_Source RCC System Clock Source
  182. * @{
  183. */
  184. #define RCC_SYSCLKSOURCE_HSI RCC_CFGR_SW_HSI
  185. #define RCC_SYSCLKSOURCE_HSE RCC_CFGR_SW_HSE
  186. #define RCC_SYSCLKSOURCE_PLLCLK RCC_CFGR_SW_PLL
  187. /**
  188. * @}
  189. */
  190. /** @defgroup RCC_System_Clock_Source_Status System Clock Source Status
  191. * @{
  192. */
  193. #define RCC_SYSCLKSOURCE_STATUS_HSI RCC_CFGR_SWS_HSI /*!< HSI used as system clock */
  194. #define RCC_SYSCLKSOURCE_STATUS_HSE RCC_CFGR_SWS_HSE /*!< HSE used as system clock */
  195. #define RCC_SYSCLKSOURCE_STATUS_PLLCLK RCC_CFGR_SWS_PLL /*!< PLL used as system clock */
  196. /**
  197. * @}
  198. */
  199. /** @defgroup RCC_AHB_Clock_Source RCC AHB Clock Source
  200. * @{
  201. */
  202. #define RCC_SYSCLK_DIV1 RCC_CFGR_HPRE_DIV1
  203. #define RCC_SYSCLK_DIV2 RCC_CFGR_HPRE_DIV2
  204. #define RCC_SYSCLK_DIV4 RCC_CFGR_HPRE_DIV4
  205. #define RCC_SYSCLK_DIV8 RCC_CFGR_HPRE_DIV8
  206. #define RCC_SYSCLK_DIV16 RCC_CFGR_HPRE_DIV16
  207. #define RCC_SYSCLK_DIV64 RCC_CFGR_HPRE_DIV64
  208. #define RCC_SYSCLK_DIV128 RCC_CFGR_HPRE_DIV128
  209. #define RCC_SYSCLK_DIV256 RCC_CFGR_HPRE_DIV256
  210. #define RCC_SYSCLK_DIV512 RCC_CFGR_HPRE_DIV512
  211. /**
  212. * @}
  213. */
  214. /** @defgroup RCC_APB1_APB2_Clock_Source RCC APB1/APB2 Clock Source
  215. * @{
  216. */
  217. #define RCC_HCLK_DIV1 RCC_CFGR_PPRE1_DIV1
  218. #define RCC_HCLK_DIV2 RCC_CFGR_PPRE1_DIV2
  219. #define RCC_HCLK_DIV4 RCC_CFGR_PPRE1_DIV4
  220. #define RCC_HCLK_DIV8 RCC_CFGR_PPRE1_DIV8
  221. #define RCC_HCLK_DIV16 RCC_CFGR_PPRE1_DIV16
  222. /**
  223. * @}
  224. */
  225. /** @defgroup RCC_RTC_Clock_Source RCC RTC Clock Source
  226. * @{
  227. */
  228. #define RCC_RTCCLKSOURCE_NO_CLK ((uint32_t)0x00000000U)
  229. #define RCC_RTCCLKSOURCE_LSE ((uint32_t)0x00000100U)
  230. #define RCC_RTCCLKSOURCE_LSI ((uint32_t)0x00000200U)
  231. #define RCC_RTCCLKSOURCE_HSE_DIVX ((uint32_t)0x00000300U)
  232. #define RCC_RTCCLKSOURCE_HSE_DIV2 ((uint32_t)0x00020300U)
  233. #define RCC_RTCCLKSOURCE_HSE_DIV3 ((uint32_t)0x00030300U)
  234. #define RCC_RTCCLKSOURCE_HSE_DIV4 ((uint32_t)0x00040300U)
  235. #define RCC_RTCCLKSOURCE_HSE_DIV5 ((uint32_t)0x00050300U)
  236. #define RCC_RTCCLKSOURCE_HSE_DIV6 ((uint32_t)0x00060300U)
  237. #define RCC_RTCCLKSOURCE_HSE_DIV7 ((uint32_t)0x00070300U)
  238. #define RCC_RTCCLKSOURCE_HSE_DIV8 ((uint32_t)0x00080300U)
  239. #define RCC_RTCCLKSOURCE_HSE_DIV9 ((uint32_t)0x00090300U)
  240. #define RCC_RTCCLKSOURCE_HSE_DIV10 ((uint32_t)0x000A0300U)
  241. #define RCC_RTCCLKSOURCE_HSE_DIV11 ((uint32_t)0x000B0300U)
  242. #define RCC_RTCCLKSOURCE_HSE_DIV12 ((uint32_t)0x000C0300U)
  243. #define RCC_RTCCLKSOURCE_HSE_DIV13 ((uint32_t)0x000D0300U)
  244. #define RCC_RTCCLKSOURCE_HSE_DIV14 ((uint32_t)0x000E0300U)
  245. #define RCC_RTCCLKSOURCE_HSE_DIV15 ((uint32_t)0x000F0300U)
  246. #define RCC_RTCCLKSOURCE_HSE_DIV16 ((uint32_t)0x00100300U)
  247. #define RCC_RTCCLKSOURCE_HSE_DIV17 ((uint32_t)0x00110300U)
  248. #define RCC_RTCCLKSOURCE_HSE_DIV18 ((uint32_t)0x00120300U)
  249. #define RCC_RTCCLKSOURCE_HSE_DIV19 ((uint32_t)0x00130300U)
  250. #define RCC_RTCCLKSOURCE_HSE_DIV20 ((uint32_t)0x00140300U)
  251. #define RCC_RTCCLKSOURCE_HSE_DIV21 ((uint32_t)0x00150300U)
  252. #define RCC_RTCCLKSOURCE_HSE_DIV22 ((uint32_t)0x00160300U)
  253. #define RCC_RTCCLKSOURCE_HSE_DIV23 ((uint32_t)0x00170300U)
  254. #define RCC_RTCCLKSOURCE_HSE_DIV24 ((uint32_t)0x00180300U)
  255. #define RCC_RTCCLKSOURCE_HSE_DIV25 ((uint32_t)0x00190300U)
  256. #define RCC_RTCCLKSOURCE_HSE_DIV26 ((uint32_t)0x001A0300U)
  257. #define RCC_RTCCLKSOURCE_HSE_DIV27 ((uint32_t)0x001B0300U)
  258. #define RCC_RTCCLKSOURCE_HSE_DIV28 ((uint32_t)0x001C0300U)
  259. #define RCC_RTCCLKSOURCE_HSE_DIV29 ((uint32_t)0x001D0300U)
  260. #define RCC_RTCCLKSOURCE_HSE_DIV30 ((uint32_t)0x001E0300U)
  261. #define RCC_RTCCLKSOURCE_HSE_DIV31 ((uint32_t)0x001F0300U)
  262. /**
  263. * @}
  264. */
  265. /** @defgroup RCC_MCO_Index RCC MCO Index
  266. * @{
  267. */
  268. #define RCC_MCO1 ((uint32_t)0x00000000U)
  269. #define RCC_MCO2 ((uint32_t)0x00000001U)
  270. /**
  271. * @}
  272. */
  273. /** @defgroup RCC_MCO1_Clock_Source RCC MCO1 Clock Source
  274. * @{
  275. */
  276. #define RCC_MCO1SOURCE_HSI ((uint32_t)0x00000000U)
  277. #define RCC_MCO1SOURCE_LSE RCC_CFGR_MCO1_0
  278. #define RCC_MCO1SOURCE_HSE RCC_CFGR_MCO1_1
  279. #define RCC_MCO1SOURCE_PLLCLK RCC_CFGR_MCO1
  280. /**
  281. * @}
  282. */
  283. /** @defgroup RCC_MCO2_Clock_Source RCC MCO2 Clock Source
  284. * @{
  285. */
  286. #define RCC_MCO2SOURCE_SYSCLK ((uint32_t)0x00000000U)
  287. #define RCC_MCO2SOURCE_PLLI2SCLK RCC_CFGR_MCO2_0
  288. #define RCC_MCO2SOURCE_HSE RCC_CFGR_MCO2_1
  289. #define RCC_MCO2SOURCE_PLLCLK RCC_CFGR_MCO2
  290. /**
  291. * @}
  292. */
  293. /** @defgroup RCC_MCOx_Clock_Prescaler RCC MCO1 Clock Prescaler
  294. * @{
  295. */
  296. #define RCC_MCODIV_1 ((uint32_t)0x00000000U)
  297. #define RCC_MCODIV_2 RCC_CFGR_MCO1PRE_2
  298. #define RCC_MCODIV_3 ((uint32_t)RCC_CFGR_MCO1PRE_0 | RCC_CFGR_MCO1PRE_2)
  299. #define RCC_MCODIV_4 ((uint32_t)RCC_CFGR_MCO1PRE_1 | RCC_CFGR_MCO1PRE_2)
  300. #define RCC_MCODIV_5 RCC_CFGR_MCO1PRE
  301. /**
  302. * @}
  303. */
  304. /** @defgroup RCC_Interrupt RCC Interrupt
  305. * @{
  306. */
  307. #define RCC_IT_LSIRDY ((uint8_t)0x01U)
  308. #define RCC_IT_LSERDY ((uint8_t)0x02U)
  309. #define RCC_IT_HSIRDY ((uint8_t)0x04U)
  310. #define RCC_IT_HSERDY ((uint8_t)0x08U)
  311. #define RCC_IT_PLLRDY ((uint8_t)0x10U)
  312. #define RCC_IT_PLLI2SRDY ((uint8_t)0x20U)
  313. #define RCC_IT_PLLSAIRDY ((uint8_t)0x40U)
  314. #define RCC_IT_CSS ((uint8_t)0x80U)
  315. /**
  316. * @}
  317. */
  318. /** @defgroup RCC_Flag RCC Flags
  319. * Elements values convention: 0XXYYYYYb
  320. * - YYYYY : Flag position in the register
  321. * - 0XX : Register index
  322. * - 01: CR register
  323. * - 10: BDCR register
  324. * - 11: CSR register
  325. * @{
  326. */
  327. /* Flags in the CR register */
  328. #define RCC_FLAG_HSIRDY ((uint8_t)0x21U)
  329. #define RCC_FLAG_HSERDY ((uint8_t)0x31U)
  330. #define RCC_FLAG_PLLRDY ((uint8_t)0x39U)
  331. #define RCC_FLAG_PLLI2SRDY ((uint8_t)0x3BU)
  332. #define RCC_FLAG_PLLSAIRDY ((uint8_t)0x3CU)
  333. /* Flags in the BDCR register */
  334. #define RCC_FLAG_LSERDY ((uint8_t)0x41U)
  335. /* Flags in the CSR register */
  336. #define RCC_FLAG_LSIRDY ((uint8_t)0x61U)
  337. #define RCC_FLAG_BORRST ((uint8_t)0x79U)
  338. #define RCC_FLAG_PINRST ((uint8_t)0x7AU)
  339. #define RCC_FLAG_PORRST ((uint8_t)0x7BU)
  340. #define RCC_FLAG_SFTRST ((uint8_t)0x7CU)
  341. #define RCC_FLAG_IWDGRST ((uint8_t)0x7DU)
  342. #define RCC_FLAG_WWDGRST ((uint8_t)0x7EU)
  343. #define RCC_FLAG_LPWRRST ((uint8_t)0x7FU)
  344. /**
  345. * @}
  346. */
  347. /** @defgroup RCC_LSEDrive_Configuration RCC LSE Drive configurations
  348. * @{
  349. */
  350. #define RCC_LSEDRIVE_LOW ((uint32_t)0x00000000U)
  351. #define RCC_LSEDRIVE_MEDIUMLOW RCC_BDCR_LSEDRV_1
  352. #define RCC_LSEDRIVE_MEDIUMHIGH RCC_BDCR_LSEDRV_0
  353. #define RCC_LSEDRIVE_HIGH RCC_BDCR_LSEDRV
  354. /**
  355. * @}
  356. */
  357. /**
  358. * @}
  359. */
  360. /* Exported macro ------------------------------------------------------------*/
  361. /** @defgroup RCC_Exported_Macros RCC Exported Macros
  362. * @{
  363. */
  364. /** @defgroup RCC_AHB1_Clock_Enable_Disable AHB1 Peripheral Clock Enable Disable
  365. * @brief Enable or disable the AHB1 peripheral clock.
  366. * @note After reset, the peripheral clock (used for registers read/write access)
  367. * is disabled and the application software has to enable this clock before
  368. * using it.
  369. * @{
  370. */
  371. #define __HAL_RCC_CRC_CLK_ENABLE() do { \
  372. __IO uint32_t tmpreg; \
  373. SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_CRCEN);\
  374. /* Delay after an RCC peripheral clock enabling */ \
  375. tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_CRCEN);\
  376. UNUSED(tmpreg); \
  377. } while(0)
  378. #define __HAL_RCC_DMA1_CLK_ENABLE() do { \
  379. __IO uint32_t tmpreg; \
  380. SET_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA1EN);\
  381. /* Delay after an RCC peripheral clock enabling */ \
  382. tmpreg = READ_BIT(RCC->AHB1ENR, RCC_AHB1ENR_DMA1EN);\
  383. UNUSED(tmpreg); \
  384. } while(0)
  385. #define __HAL_RCC_CRC_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_CRCEN))
  386. #define __HAL_RCC_DMA1_CLK_DISABLE() (RCC->AHB1ENR &= ~(RCC_AHB1ENR_DMA1EN))
  387. /**
  388. * @}
  389. */
  390. /** @defgroup RCC_APB1_Clock_Enable_Disable APB1 Peripheral Clock Enable Disable
  391. * @brief Enable or disable the Low Speed APB (APB1) peripheral clock.
  392. * @note After reset, the peripheral clock (used for registers read/write access)
  393. * is disabled and the application software has to enable this clock before
  394. * using it.
  395. * @{
  396. */
  397. #define __HAL_RCC_WWDG_CLK_ENABLE() do { \
  398. __IO uint32_t tmpreg; \
  399. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\
  400. /* Delay after an RCC peripheral clock enabling */ \
  401. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_WWDGEN);\
  402. UNUSED(tmpreg); \
  403. } while(0)
  404. #define __HAL_RCC_PWR_CLK_ENABLE() do { \
  405. __IO uint32_t tmpreg; \
  406. SET_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\
  407. /* Delay after an RCC peripheral clock enabling */ \
  408. tmpreg = READ_BIT(RCC->APB1ENR, RCC_APB1ENR_PWREN);\
  409. UNUSED(tmpreg); \
  410. } while(0)
  411. #define __HAL_RCC_WWDG_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_WWDGEN))
  412. #define __HAL_RCC_PWR_CLK_DISABLE() (RCC->APB1ENR &= ~(RCC_APB1ENR_PWREN))
  413. /**
  414. * @}
  415. */
  416. /** @defgroup RCC_APB2_Clock_Enable_Disable APB2 Peripheral Clock Enable Disable
  417. * @brief Enable or disable the High Speed APB (APB2) peripheral clock.
  418. * @note After reset, the peripheral clock (used for registers read/write access)
  419. * is disabled and the application software has to enable this clock before
  420. * using it.
  421. * @{
  422. */
  423. #define __HAL_RCC_SYSCFG_CLK_ENABLE() do { \
  424. __IO uint32_t tmpreg; \
  425. SET_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN);\
  426. /* Delay after an RCC peripheral clock enabling */ \
  427. tmpreg = READ_BIT(RCC->APB2ENR, RCC_APB2ENR_SYSCFGEN);\
  428. UNUSED(tmpreg); \
  429. } while(0)
  430. #define __HAL_RCC_SYSCFG_CLK_DISABLE() (RCC->APB2ENR &= ~(RCC_APB2ENR_SYSCFGEN))
  431. /**
  432. * @}
  433. */
  434. /** @defgroup RCC_AHB1_Peripheral_Clock_Enable_Disable_Status AHB1 Peripheral Clock Enable Disable Status
  435. * @brief Get the enable or disable status of the AHB1 peripheral clock.
  436. * @note After reset, the peripheral clock (used for registers read/write access)
  437. * is disabled and the application software has to enable this clock before
  438. * using it.
  439. * @{
  440. */
  441. #define __HAL_RCC_CRC_IS_CLK_ENABLED() ((RCC->AHB1ENR & (RCC_AHB1ENR_CRCEN)) != RESET)
  442. #define __HAL_RCC_DMA1_IS_CLK_ENABLED() ((RCC->AHB1ENR & (RCC_AHB1ENR_DMA1EN)) != RESET)
  443. #define __HAL_RCC_CRC_IS_CLK_DISABLED() ((RCC->AHB1ENR & (RCC_AHB1ENR_CRCEN)) == RESET)
  444. #define __HAL_RCC_DMA1_IS_CLK_DISABLED() ((RCC->AHB1ENR & (RCC_AHB1ENR_DMA1EN)) == RESET)
  445. /**
  446. * @}
  447. */
  448. /** @defgroup RCC_APB1_Clock_Enable_Disable_Status APB1 Peripheral Clock Enable Disable Status
  449. * @brief Get the enable or disable status of the APB1 peripheral clock.
  450. * @note After reset, the peripheral clock (used for registers read/write access)
  451. * is disabled and the application software has to enable this clock before
  452. * using it.
  453. * @{
  454. */
  455. #define __HAL_RCC_WWDG_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) != RESET)
  456. #define __HAL_RCC_PWR_IS_CLK_ENABLED() ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) != RESET)
  457. #define __HAL_RCC_WWDG_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_WWDGEN)) == RESET)
  458. #define __HAL_RCC_PWR_IS_CLK_DISABLED() ((RCC->APB1ENR & (RCC_APB1ENR_PWREN)) == RESET)
  459. /**
  460. * @}
  461. */
  462. /** @defgroup RCC_APB2_Clock_Enable_Disable_Status APB2 Peripheral Clock Enable Disable Status
  463. * @brief EGet the enable or disable status of the APB2 peripheral clock.
  464. * @note After reset, the peripheral clock (used for registers read/write access)
  465. * is disabled and the application software has to enable this clock before
  466. * using it.
  467. * @{
  468. */
  469. #define __HAL_RCC_SYSCFG_IS_CLK_ENABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) != RESET)
  470. #define __HAL_RCC_SYSCFG_IS_CLK_DISABLED() ((RCC->APB2ENR & (RCC_APB2ENR_SYSCFGEN)) == RESET)
  471. /**
  472. * @}
  473. */
  474. /** @defgroup RCC_Peripheral_Clock_Force_Release RCC Peripheral Clock Force Release
  475. * @brief Force or release AHB peripheral reset.
  476. * @{
  477. */
  478. #define __HAL_RCC_AHB1_FORCE_RESET() (RCC->AHB1RSTR = 0xFFFFFFFFU)
  479. #define __HAL_RCC_CRC_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_CRCRST))
  480. #define __HAL_RCC_DMA1_FORCE_RESET() (RCC->AHB1RSTR |= (RCC_AHB1RSTR_DMA1RST))
  481. #define __HAL_RCC_AHB1_RELEASE_RESET() (RCC->AHB1RSTR = 0x00U)
  482. #define __HAL_RCC_CRC_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_CRCRST))
  483. #define __HAL_RCC_DMA1_RELEASE_RESET() (RCC->AHB1RSTR &= ~(RCC_AHB1RSTR_DMA1RST))
  484. /**
  485. * @}
  486. */
  487. /** @defgroup RCC_APB1_Force_Release_Reset APB1 Force Release Reset
  488. * @brief Force or release APB1 peripheral reset.
  489. * @{
  490. */
  491. #define __HAL_RCC_APB1_FORCE_RESET() (RCC->APB1RSTR = 0xFFFFFFFFU)
  492. #define __HAL_RCC_WWDG_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_WWDGRST))
  493. #define __HAL_RCC_PWR_FORCE_RESET() (RCC->APB1RSTR |= (RCC_APB1RSTR_PWRRST))
  494. #define __HAL_RCC_APB1_RELEASE_RESET() (RCC->APB1RSTR = 0x00U)
  495. #define __HAL_RCC_WWDG_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_WWDGRST))
  496. #define __HAL_RCC_PWR_RELEASE_RESET() (RCC->APB1RSTR &= ~(RCC_APB1RSTR_PWRRST))
  497. /**
  498. * @}
  499. */
  500. /** @defgroup RCC_APB2_Force_Release_Reset APB2 Force Release Reset
  501. * @brief Force or release APB2 peripheral reset.
  502. * @{
  503. */
  504. #define __HAL_RCC_APB2_FORCE_RESET() (RCC->APB2RSTR = 0xFFFFFFFFU)
  505. #define __HAL_RCC_SYSCFG_FORCE_RESET() (RCC->APB2RSTR |= (RCC_APB2RSTR_SYSCFGRST))
  506. #define __HAL_RCC_APB2_RELEASE_RESET() (RCC->APB2RSTR = 0x00U)
  507. #define __HAL_RCC_SYSCFG_RELEASE_RESET() (RCC->APB2RSTR &= ~(RCC_APB2RSTR_SYSCFGRST))
  508. /**
  509. * @}
  510. */
  511. /** @defgroup RCC_Peripheral_Clock_Sleep_Enable_Disable RCC Peripheral Clock Sleep Enable Disable
  512. * @note Peripheral clock gating in SLEEP mode can be used to further reduce
  513. * power consumption.
  514. * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
  515. * @note By default, all peripheral clocks are enabled during SLEEP mode.
  516. * @{
  517. */
  518. #define __HAL_RCC_CRC_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_CRCLPEN))
  519. #define __HAL_RCC_DMA1_CLK_SLEEP_ENABLE() (RCC->AHB1LPENR |= (RCC_AHB1LPENR_DMA1LPEN))
  520. #define __HAL_RCC_CRC_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_CRCLPEN))
  521. #define __HAL_RCC_DMA1_CLK_SLEEP_DISABLE() (RCC->AHB1LPENR &= ~(RCC_AHB1LPENR_DMA1LPEN))
  522. /** @brief Enable or disable the APB1 peripheral clock during Low Power (Sleep) mode.
  523. * @note Peripheral clock gating in SLEEP mode can be used to further reduce
  524. * power consumption.
  525. * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
  526. * @note By default, all peripheral clocks are enabled during SLEEP mode.
  527. */
  528. #define __HAL_RCC_WWDG_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_WWDGLPEN))
  529. #define __HAL_RCC_PWR_CLK_SLEEP_ENABLE() (RCC->APB1LPENR |= (RCC_APB1LPENR_PWRLPEN))
  530. #define __HAL_RCC_WWDG_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_WWDGLPEN))
  531. #define __HAL_RCC_PWR_CLK_SLEEP_DISABLE() (RCC->APB1LPENR &= ~(RCC_APB1LPENR_PWRLPEN))
  532. /** @brief Enable or disable the APB2 peripheral clock during Low Power (Sleep) mode.
  533. * @note Peripheral clock gating in SLEEP mode can be used to further reduce
  534. * power consumption.
  535. * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
  536. * @note By default, all peripheral clocks are enabled during SLEEP mode.
  537. */
  538. #define __HAL_RCC_SYSCFG_CLK_SLEEP_ENABLE() (RCC->APB2LPENR |= (RCC_APB2LPENR_SYSCFGLPEN))
  539. #define __HAL_RCC_SYSCFG_CLK_SLEEP_DISABLE() (RCC->APB2LPENR &= ~(RCC_APB2LPENR_SYSCFGLPEN))
  540. /**
  541. * @}
  542. */
  543. /** @defgroup RCC_AHB1_Clock_Sleep_Enable_Disable_Status AHB1 Peripheral Clock Sleep Enable Disable Status
  544. * @brief Get the enable or disable status of the AHB1 peripheral clock during Low Power (Sleep) mode.
  545. * @note Peripheral clock gating in SLEEP mode can be used to further reduce
  546. * power consumption.
  547. * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
  548. * @note By default, all peripheral clocks are enabled during SLEEP mode.
  549. * @{
  550. */
  551. #define __HAL_RCC_CRC_IS_CLK_SLEEP_ENABLED() ((RCC->AHB1LPENR & (RCC_AHB1LPENR_CRCLPEN)) != RESET)
  552. #define __HAL_RCC_DMA1_IS_CLK_SLEEP_ENABLED() ((RCC->AHB1LPENR & (RCC_AHB1LPENR_DMA1LPEN)) != RESET)
  553. #define __HAL_RCC_CRC_IS_CLK_SLEEP_DISABLED() ((RCC->AHB1LPENR & (RCC_AHB1LPENR_CRCLPEN)) == RESET)
  554. #define __HAL_RCC_DMA1_IS_CLK_SLEEP_DISABLED() ((RCC->AHB1LPENR & (RCC_AHB1LPENR_DMA1LPEN)) == RESET)
  555. /**
  556. * @}
  557. */
  558. /** @defgroup RCC_APB1_Clock_Sleep_Enable_Disable_Status APB1 Peripheral Clock Sleep Enable Disable Status
  559. * @brief Get the enable or disable status of the APB1 peripheral clock during Low Power (Sleep) mode.
  560. * @note Peripheral clock gating in SLEEP mode can be used to further reduce
  561. * power consumption.
  562. * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
  563. * @note By default, all peripheral clocks are enabled during SLEEP mode.
  564. * @{
  565. */
  566. #define __HAL_RCC_WWDG_IS_CLK_SLEEP_ENABLED() ((RCC->APB1LPENR & (RCC_APB1LPENR_WWDGLPEN)) != RESET)
  567. #define __HAL_RCC_PWR_IS_CLK_SLEEP_ENABLED() ((RCC->APB1LPENR & (RCC_APB1LPENR_PWRLPEN)) != RESET)
  568. #define __HAL_RCC_WWDG_IS_CLK_SLEEP_DISABLED() ((RCC->APB1LPENR & (RCC_APB1LPENR_WWDGLPEN)) == RESET)
  569. #define __HAL_RCC_PWR_IS_CLK_SLEEP_DISABLED() ((RCC->APB1LPENR & (RCC_APB1LPENR_PWRLPEN)) == RESET)
  570. /**
  571. * @}
  572. */
  573. /** @defgroup RCC_APB2_Clock_Sleep_Enable_Disable_Status APB2 Peripheral Clock Sleep Enable Disable Status
  574. * @brief Get the enable or disable status of the APB2 peripheral clock during Low Power (Sleep) mode.
  575. * @note Peripheral clock gating in SLEEP mode can be used to further reduce
  576. * power consumption.
  577. * @note After wakeup from SLEEP mode, the peripheral clock is enabled again.
  578. * @note By default, all peripheral clocks are enabled during SLEEP mode.
  579. * @{
  580. */
  581. #define __HAL_RCC_SYSCFG_IS_CLK_SLEEP_ENABLED() ((RCC->APB2LPENR & (RCC_APB2LPENR_SYSCFGLPEN)) != RESET)
  582. #define __HAL_RCC_SYSCFG_IS_CLK_SLEEP_DISABLED() ((RCC->APB2LPENR & (RCC_APB2LPENR_SYSCFGLPEN)) == RESET)
  583. /**
  584. * @}
  585. */
  586. /** @defgroup RCC_HSI_Configuration HSI Configuration
  587. * @{
  588. */
  589. /** @brief Macros to enable or disable the Internal High Speed oscillator (HSI).
  590. * @note The HSI is stopped by hardware when entering STOP and STANDBY modes.
  591. * It is used (enabled by hardware) as system clock source after startup
  592. * from Reset, wakeup from STOP and STANDBY mode, or in case of failure
  593. * of the HSE used directly or indirectly as system clock (if the Clock
  594. * Security System CSS is enabled).
  595. * @note HSI can not be stopped if it is used as system clock source. In this case,
  596. * you have to select another source of the system clock then stop the HSI.
  597. * @note After enabling the HSI, the application software should wait on HSIRDY
  598. * flag to be set indicating that HSI clock is stable and can be used as
  599. * system clock source.
  600. * @note When the HSI is stopped, HSIRDY flag goes low after 6 HSI oscillator
  601. * clock cycles.
  602. */
  603. #define __HAL_RCC_HSI_ENABLE() (RCC->CR |= (RCC_CR_HSION))
  604. #define __HAL_RCC_HSI_DISABLE() (RCC->CR &= ~(RCC_CR_HSION))
  605. /** @brief Macro to adjust the Internal High Speed oscillator (HSI) calibration value.
  606. * @note The calibration is used to compensate for the variations in voltage
  607. * and temperature that influence the frequency of the internal HSI RC.
  608. * @param __HSICALIBRATIONVALUE__ specifies the calibration trimming value.
  609. * (default is RCC_HSICALIBRATION_DEFAULT).
  610. */
  611. #define __HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(__HSICALIBRATIONVALUE__) (MODIFY_REG(RCC->CR,\
  612. RCC_CR_HSITRIM, (uint32_t)(__HSICALIBRATIONVALUE__) << RCC_CR_HSITRIM_Pos))
  613. /**
  614. * @}
  615. */
  616. /** @defgroup RCC_LSI_Configuration LSI Configuration
  617. * @{
  618. */
  619. /** @brief Macros to enable or disable the Internal Low Speed oscillator (LSI).
  620. * @note After enabling the LSI, the application software should wait on
  621. * LSIRDY flag to be set indicating that LSI clock is stable and can
  622. * be used to clock the IWDG and/or the RTC.
  623. * @note LSI can not be disabled if the IWDG is running.
  624. * @note When the LSI is stopped, LSIRDY flag goes low after 6 LSI oscillator
  625. * clock cycles.
  626. */
  627. #define __HAL_RCC_LSI_ENABLE() (RCC->CSR |= (RCC_CSR_LSION))
  628. #define __HAL_RCC_LSI_DISABLE() (RCC->CSR &= ~(RCC_CSR_LSION))
  629. /**
  630. * @}
  631. */
  632. /** @defgroup RCC_HSE_Configuration HSE Configuration
  633. * @{
  634. */
  635. /**
  636. * @brief Macro to configure the External High Speed oscillator (HSE).
  637. * @note Transitions HSE Bypass to HSE On and HSE On to HSE Bypass are not
  638. * supported by this macro. User should request a transition to HSE Off
  639. * first and then HSE On or HSE Bypass.
  640. * @note After enabling the HSE (RCC_HSE_ON or RCC_HSE_Bypass), the application
  641. * software should wait on HSERDY flag to be set indicating that HSE clock
  642. * is stable and can be used to clock the PLL and/or system clock.
  643. * @note HSE state can not be changed if it is used directly or through the
  644. * PLL as system clock. In this case, you have to select another source
  645. * of the system clock then change the HSE state (ex. disable it).
  646. * @note The HSE is stopped by hardware when entering STOP and STANDBY modes.
  647. * @note This function reset the CSSON bit, so if the clock security system(CSS)
  648. * was previously enabled you have to enable it again after calling this
  649. * function.
  650. * @param __STATE__ specifies the new state of the HSE.
  651. * This parameter can be one of the following values:
  652. * @arg RCC_HSE_OFF: turn OFF the HSE oscillator, HSERDY flag goes low after
  653. * 6 HSE oscillator clock cycles.
  654. * @arg RCC_HSE_ON: turn ON the HSE oscillator.
  655. * @arg RCC_HSE_BYPASS: HSE oscillator bypassed with external clock.
  656. */
  657. #define __HAL_RCC_HSE_CONFIG(__STATE__) \
  658. do { \
  659. if ((__STATE__) == RCC_HSE_ON) \
  660. { \
  661. SET_BIT(RCC->CR, RCC_CR_HSEON); \
  662. } \
  663. else if ((__STATE__) == RCC_HSE_OFF) \
  664. { \
  665. CLEAR_BIT(RCC->CR, RCC_CR_HSEON); \
  666. CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP); \
  667. } \
  668. else if ((__STATE__) == RCC_HSE_BYPASS) \
  669. { \
  670. SET_BIT(RCC->CR, RCC_CR_HSEBYP); \
  671. SET_BIT(RCC->CR, RCC_CR_HSEON); \
  672. } \
  673. else \
  674. { \
  675. CLEAR_BIT(RCC->CR, RCC_CR_HSEON); \
  676. CLEAR_BIT(RCC->CR, RCC_CR_HSEBYP); \
  677. } \
  678. } while(0)
  679. /**
  680. * @}
  681. */
  682. /** @defgroup RCC_LSE_Configuration LSE Configuration
  683. * @{
  684. */
  685. /**
  686. * @brief Macro to configure the External Low Speed oscillator (LSE).
  687. * @note Transitions LSE Bypass to LSE On and LSE On to LSE Bypass are not supported by this macro.
  688. * User should request a transition to LSE Off first and then LSE On or LSE Bypass.
  689. * @note As the LSE is in the Backup domain and write access is denied to
  690. * this domain after reset, you have to enable write access using
  691. * HAL_PWR_EnableBkUpAccess() function before to configure the LSE
  692. * (to be done once after reset).
  693. * @note After enabling the LSE (RCC_LSE_ON or RCC_LSE_BYPASS), the application
  694. * software should wait on LSERDY flag to be set indicating that LSE clock
  695. * is stable and can be used to clock the RTC.
  696. * @param __STATE__ specifies the new state of the LSE.
  697. * This parameter can be one of the following values:
  698. * @arg RCC_LSE_OFF: turn OFF the LSE oscillator, LSERDY flag goes low after
  699. * 6 LSE oscillator clock cycles.
  700. * @arg RCC_LSE_ON: turn ON the LSE oscillator.
  701. * @arg RCC_LSE_BYPASS: LSE oscillator bypassed with external clock.
  702. */
  703. #define __HAL_RCC_LSE_CONFIG(__STATE__) \
  704. do { \
  705. if((__STATE__) == RCC_LSE_ON) \
  706. { \
  707. SET_BIT(RCC->BDCR, RCC_BDCR_LSEON); \
  708. } \
  709. else if((__STATE__) == RCC_LSE_OFF) \
  710. { \
  711. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON); \
  712. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP); \
  713. } \
  714. else if((__STATE__) == RCC_LSE_BYPASS) \
  715. { \
  716. SET_BIT(RCC->BDCR, RCC_BDCR_LSEBYP); \
  717. SET_BIT(RCC->BDCR, RCC_BDCR_LSEON); \
  718. } \
  719. else \
  720. { \
  721. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEON); \
  722. CLEAR_BIT(RCC->BDCR, RCC_BDCR_LSEBYP); \
  723. } \
  724. } while(0)
  725. /**
  726. * @}
  727. */
  728. /** @defgroup RCC_Internal_RTC_Clock_Configuration RTC Clock Configuration
  729. * @{
  730. */
  731. /** @brief Macros to enable or disable the RTC clock.
  732. * @note These macros must be used only after the RTC clock source was selected.
  733. */
  734. #define __HAL_RCC_RTC_ENABLE() (RCC->BDCR |= (RCC_BDCR_RTCEN))
  735. #define __HAL_RCC_RTC_DISABLE() (RCC->BDCR &= ~(RCC_BDCR_RTCEN))
  736. /** @brief Macros to configure the RTC clock (RTCCLK).
  737. * @note As the RTC clock configuration bits are in the Backup domain and write
  738. * access is denied to this domain after reset, you have to enable write
  739. * access using the Power Backup Access macro before to configure
  740. * the RTC clock source (to be done once after reset).
  741. * @note Once the RTC clock is configured it can't be changed unless the
  742. * Backup domain is reset using __HAL_RCC_BackupReset_RELEASE() macro, or by
  743. * a Power On Reset (POR).
  744. * @param __RTCCLKSource__ specifies the RTC clock source.
  745. * This parameter can be one of the following values:
  746. @arg @ref RCC_RTCCLKSOURCE_NO_CLK: No clock selected as RTC clock.
  747. * @arg @ref RCC_RTCCLKSOURCE_LSE: LSE selected as RTC clock.
  748. * @arg @ref RCC_RTCCLKSOURCE_LSI: LSI selected as RTC clock.
  749. * @arg @ref RCC_RTCCLKSOURCE_HSE_DIVX: HSE clock divided by x selected
  750. * as RTC clock, where x:[2,31]
  751. * @note If the LSE or LSI is used as RTC clock source, the RTC continues to
  752. * work in STOP and STANDBY modes, and can be used as wakeup source.
  753. * However, when the HSE clock is used as RTC clock source, the RTC
  754. * cannot be used in STOP and STANDBY modes.
  755. * @note The maximum input clock frequency for RTC is 1MHz (when using HSE as
  756. * RTC clock source).
  757. */
  758. #define __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__) (((__RTCCLKSource__) & RCC_BDCR_RTCSEL) == RCC_BDCR_RTCSEL) ? \
  759. MODIFY_REG(RCC->CFGR, RCC_CFGR_RTCPRE, ((__RTCCLKSource__) & 0xFFFFCFF)) : CLEAR_BIT(RCC->CFGR, RCC_CFGR_RTCPRE)
  760. #define __HAL_RCC_RTC_CONFIG(__RTCCLKSource__) do { __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__); \
  761. RCC->BDCR |= ((__RTCCLKSource__) & 0x00000FFF); \
  762. } while (0)
  763. /** @brief Macro to get the RTC clock source.
  764. * @retval The clock source can be one of the following values:
  765. * @arg @ref RCC_RTCCLKSOURCE_NO_CLK No clock selected as RTC clock
  766. * @arg @ref RCC_RTCCLKSOURCE_LSE LSE selected as RTC clock
  767. * @arg @ref RCC_RTCCLKSOURCE_LSI LSI selected as RTC clock
  768. * @arg @ref RCC_RTCCLKSOURCE_HSE_DIVX HSE divided by X selected as RTC clock (X can be retrieved thanks to @ref __HAL_RCC_GET_RTC_HSE_PRESCALER()
  769. */
  770. #define __HAL_RCC_GET_RTC_SOURCE() (READ_BIT(RCC->BDCR, RCC_BDCR_RTCSEL))
  771. /**
  772. * @brief Get the RTC and HSE clock divider (RTCPRE).
  773. * @retval Returned value can be one of the following values:
  774. * @arg @ref RCC_RTCCLKSOURCE_HSE_DIVX: HSE clock divided by x selected
  775. * as RTC clock, where x:[2,31]
  776. */
  777. #define __HAL_RCC_GET_RTC_HSE_PRESCALER() (READ_BIT(RCC->CFGR, RCC_CFGR_RTCPRE) | RCC_BDCR_RTCSEL)
  778. /** @brief Macros to force or release the Backup domain reset.
  779. * @note This function resets the RTC peripheral (including the backup registers)
  780. * and the RTC clock source selection in RCC_CSR register.
  781. * @note The BKPSRAM is not affected by this reset.
  782. */
  783. #define __HAL_RCC_BACKUPRESET_FORCE() (RCC->BDCR |= (RCC_BDCR_BDRST))
  784. #define __HAL_RCC_BACKUPRESET_RELEASE() (RCC->BDCR &= ~(RCC_BDCR_BDRST))
  785. /**
  786. * @}
  787. */
  788. /** @defgroup RCC_PLL_Configuration PLL Configuration
  789. * @{
  790. */
  791. /** @brief Macros to enable or disable the main PLL.
  792. * @note After enabling the main PLL, the application software should wait on
  793. * PLLRDY flag to be set indicating that PLL clock is stable and can
  794. * be used as system clock source.
  795. * @note The main PLL can not be disabled if it is used as system clock source
  796. * @note The main PLL is disabled by hardware when entering STOP and STANDBY modes.
  797. */
  798. #define __HAL_RCC_PLL_ENABLE() SET_BIT(RCC->CR, RCC_CR_PLLON)
  799. #define __HAL_RCC_PLL_DISABLE() CLEAR_BIT(RCC->CR, RCC_CR_PLLON)
  800. /** @brief Macro to configure the PLL clock source.
  801. * @note This function must be used only when the main PLL is disabled.
  802. * @param __PLLSOURCE__ specifies the PLL entry clock source.
  803. * This parameter can be one of the following values:
  804. * @arg RCC_PLLSOURCE_HSI: HSI oscillator clock selected as PLL clock entry
  805. * @arg RCC_PLLSOURCE_HSE: HSE oscillator clock selected as PLL clock entry
  806. *
  807. */
  808. #define __HAL_RCC_PLL_PLLSOURCE_CONFIG(__PLLSOURCE__) MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLSRC, (__PLLSOURCE__))
  809. /** @brief Macro to configure the PLL multiplication factor.
  810. * @note This function must be used only when the main PLL is disabled.
  811. * @param __PLLM__ specifies the division factor for PLL VCO input clock
  812. * This parameter must be a number between Min_Data = 2 and Max_Data = 63.
  813. * @note You have to set the PLLM parameter correctly to ensure that the VCO input
  814. * frequency ranges from 1 to 2 MHz. It is recommended to select a frequency
  815. * of 2 MHz to limit PLL jitter.
  816. *
  817. */
  818. #define __HAL_RCC_PLL_PLLM_CONFIG(__PLLM__) MODIFY_REG(RCC->PLLCFGR, RCC_PLLCFGR_PLLM, (__PLLM__))
  819. /**
  820. * @}
  821. */
  822. /** @defgroup RCC_PLL_I2S_Configuration PLL I2S Configuration
  823. * @{
  824. */
  825. /** @brief Macro to configure the I2S clock source (I2SCLK).
  826. * @note This function must be called before enabling the I2S APB clock.
  827. * @param __SOURCE__ specifies the I2S clock source.
  828. * This parameter can be one of the following values:
  829. * @arg RCC_I2SCLKSOURCE_PLLI2S: PLLI2S clock used as I2S clock source.
  830. * @arg RCC_I2SCLKSOURCE_EXT: External clock mapped on the I2S_CKIN pin
  831. * used as I2S clock source.
  832. */
  833. #define __HAL_RCC_I2S_CONFIG(__SOURCE__) do {RCC->CFGR &= ~(RCC_CFGR_I2SSRC); \
  834. RCC->CFGR |= (__SOURCE__); \
  835. }while(0)
  836. /** @brief Macros to enable or disable the PLLI2S.
  837. * @note The PLLI2S is disabled by hardware when entering STOP and STANDBY modes.
  838. */
  839. #define __HAL_RCC_PLLI2S_ENABLE() (RCC->CR |= (RCC_CR_PLLI2SON))
  840. #define __HAL_RCC_PLLI2S_DISABLE() (RCC->CR &= ~(RCC_CR_PLLI2SON))
  841. /**
  842. * @}
  843. */
  844. /** @defgroup RCC_Get_Clock_source Get Clock source
  845. * @{
  846. */
  847. /**
  848. * @brief Macro to configure the system clock source.
  849. * @param __RCC_SYSCLKSOURCE__ specifies the system clock source.
  850. * This parameter can be one of the following values:
  851. * - RCC_SYSCLKSOURCE_HSI: HSI oscillator is used as system clock source.
  852. * - RCC_SYSCLKSOURCE_HSE: HSE oscillator is used as system clock source.
  853. * - RCC_SYSCLKSOURCE_PLLCLK: PLL output is used as system clock source.
  854. */
  855. #define __HAL_RCC_SYSCLK_CONFIG(__RCC_SYSCLKSOURCE__) MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, (__RCC_SYSCLKSOURCE__))
  856. /** @brief Macro to get the clock source used as system clock.
  857. * @retval The clock source used as system clock. The returned value can be one
  858. * of the following:
  859. * - RCC_SYSCLKSOURCE_STATUS_HSI: HSI used as system clock.
  860. * - RCC_SYSCLKSOURCE_STATUS_HSE: HSE used as system clock.
  861. * - RCC_SYSCLKSOURCE_STATUS_PLLCLK: PLL used as system clock.
  862. */
  863. #define __HAL_RCC_GET_SYSCLK_SOURCE() (RCC->CFGR & RCC_CFGR_SWS)
  864. /**
  865. * @brief Macro to configures the External Low Speed oscillator (LSE) drive capability.
  866. * @note As the LSE is in the Backup domain and write access is denied to
  867. * this domain after reset, you have to enable write access using
  868. * HAL_PWR_EnableBkUpAccess() function before to configure the LSE
  869. * (to be done once after reset).
  870. * @param __RCC_LSEDRIVE__ specifies the new state of the LSE drive capability.
  871. * This parameter can be one of the following values:
  872. * @arg RCC_LSEDRIVE_LOW: LSE oscillator low drive capability.
  873. * @arg RCC_LSEDRIVE_MEDIUMLOW: LSE oscillator medium low drive capability.
  874. * @arg RCC_LSEDRIVE_MEDIUMHIGH: LSE oscillator medium high drive capability.
  875. * @arg RCC_LSEDRIVE_HIGH: LSE oscillator high drive capability.
  876. * @retval None
  877. */
  878. #define __HAL_RCC_LSEDRIVE_CONFIG(__RCC_LSEDRIVE__) \
  879. (MODIFY_REG(RCC->BDCR, RCC_BDCR_LSEDRV, (uint32_t)(__RCC_LSEDRIVE__) ))
  880. /** @brief Macro to get the oscillator used as PLL clock source.
  881. * @retval The oscillator used as PLL clock source. The returned value can be one
  882. * of the following:
  883. * - RCC_PLLSOURCE_HSI: HSI oscillator is used as PLL clock source.
  884. * - RCC_PLLSOURCE_HSE: HSE oscillator is used as PLL clock source.
  885. */
  886. #define __HAL_RCC_GET_PLL_OSCSOURCE() ((uint32_t)(RCC->PLLCFGR & RCC_PLLCFGR_PLLSRC))
  887. /**
  888. * @}
  889. */
  890. /** @defgroup RCCEx_MCOx_Clock_Config RCC Extended MCOx Clock Config
  891. * @{
  892. */
  893. /** @brief Macro to configure the MCO1 clock.
  894. * @param __MCOCLKSOURCE__ specifies the MCO clock source.
  895. * This parameter can be one of the following values:
  896. * @arg RCC_MCO1SOURCE_HSI: HSI clock selected as MCO1 source
  897. * @arg RCC_MCO1SOURCE_LSE: LSE clock selected as MCO1 source
  898. * @arg RCC_MCO1SOURCE_HSE: HSE clock selected as MCO1 source
  899. * @arg RCC_MCO1SOURCE_PLLCLK: main PLL clock selected as MCO1 source
  900. * @param __MCODIV__ specifies the MCO clock prescaler.
  901. * This parameter can be one of the following values:
  902. * @arg RCC_MCODIV_1: no division applied to MCOx clock
  903. * @arg RCC_MCODIV_2: division by 2 applied to MCOx clock
  904. * @arg RCC_MCODIV_3: division by 3 applied to MCOx clock
  905. * @arg RCC_MCODIV_4: division by 4 applied to MCOx clock
  906. * @arg RCC_MCODIV_5: division by 5 applied to MCOx clock
  907. */
  908. #define __HAL_RCC_MCO1_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \
  909. MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO1 | RCC_CFGR_MCO1PRE), ((__MCOCLKSOURCE__) | (__MCODIV__)))
  910. /** @brief Macro to configure the MCO2 clock.
  911. * @param __MCOCLKSOURCE__ specifies the MCO clock source.
  912. * This parameter can be one of the following values:
  913. * @arg RCC_MCO2SOURCE_SYSCLK: System clock (SYSCLK) selected as MCO2 source
  914. * @arg RCC_MCO2SOURCE_PLLI2SCLK: PLLI2S clock selected as MCO2 source
  915. * @arg RCC_MCO2SOURCE_HSE: HSE clock selected as MCO2 source
  916. * @arg RCC_MCO2SOURCE_PLLCLK: main PLL clock selected as MCO2 source
  917. * @param __MCODIV__ specifies the MCO clock prescaler.
  918. * This parameter can be one of the following values:
  919. * @arg RCC_MCODIV_1: no division applied to MCOx clock
  920. * @arg RCC_MCODIV_2: division by 2 applied to MCOx clock
  921. * @arg RCC_MCODIV_3: division by 3 applied to MCOx clock
  922. * @arg RCC_MCODIV_4: division by 4 applied to MCOx clock
  923. * @arg RCC_MCODIV_5: division by 5 applied to MCOx clock
  924. */
  925. #define __HAL_RCC_MCO2_CONFIG(__MCOCLKSOURCE__, __MCODIV__) \
  926. MODIFY_REG(RCC->CFGR, (RCC_CFGR_MCO2 | RCC_CFGR_MCO2PRE), ((__MCOCLKSOURCE__) | ((__MCODIV__) << 3)));
  927. /**
  928. * @}
  929. */
  930. /** @defgroup RCC_Flags_Interrupts_Management Flags Interrupts Management
  931. * @brief macros to manage the specified RCC Flags and interrupts.
  932. * @{
  933. */
  934. /** @brief Enable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to enable
  935. * the selected interrupts).
  936. * @param __INTERRUPT__ specifies the RCC interrupt sources to be enabled.
  937. * This parameter can be any combination of the following values:
  938. * @arg RCC_IT_LSIRDY: LSI ready interrupt.
  939. * @arg RCC_IT_LSERDY: LSE ready interrupt.
  940. * @arg RCC_IT_HSIRDY: HSI ready interrupt.
  941. * @arg RCC_IT_HSERDY: HSE ready interrupt.
  942. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  943. * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
  944. */
  945. #define __HAL_RCC_ENABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS |= (__INTERRUPT__))
  946. /** @brief Disable RCC interrupt (Perform Byte access to RCC_CIR[14:8] bits to disable
  947. * the selected interrupts).
  948. * @param __INTERRUPT__ specifies the RCC interrupt sources to be disabled.
  949. * This parameter can be any combination of the following values:
  950. * @arg RCC_IT_LSIRDY: LSI ready interrupt.
  951. * @arg RCC_IT_LSERDY: LSE ready interrupt.
  952. * @arg RCC_IT_HSIRDY: HSI ready interrupt.
  953. * @arg RCC_IT_HSERDY: HSE ready interrupt.
  954. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  955. * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
  956. */
  957. #define __HAL_RCC_DISABLE_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE1_ADDRESS &= (uint8_t)(~(__INTERRUPT__)))
  958. /** @brief Clear the RCC's interrupt pending bits (Perform Byte access to RCC_CIR[23:16]
  959. * bits to clear the selected interrupt pending bits.
  960. * @param __INTERRUPT__ specifies the interrupt pending bit to clear.
  961. * This parameter can be any combination of the following values:
  962. * @arg RCC_IT_LSIRDY: LSI ready interrupt.
  963. * @arg RCC_IT_LSERDY: LSE ready interrupt.
  964. * @arg RCC_IT_HSIRDY: HSI ready interrupt.
  965. * @arg RCC_IT_HSERDY: HSE ready interrupt.
  966. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  967. * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
  968. * @arg RCC_IT_CSS: Clock Security System interrupt
  969. */
  970. #define __HAL_RCC_CLEAR_IT(__INTERRUPT__) (*(__IO uint8_t *) RCC_CIR_BYTE2_ADDRESS = (__INTERRUPT__))
  971. /** @brief Check the RCC's interrupt has occurred or not.
  972. * @param __INTERRUPT__ specifies the RCC interrupt source to check.
  973. * This parameter can be one of the following values:
  974. * @arg RCC_IT_LSIRDY: LSI ready interrupt.
  975. * @arg RCC_IT_LSERDY: LSE ready interrupt.
  976. * @arg RCC_IT_HSIRDY: HSI ready interrupt.
  977. * @arg RCC_IT_HSERDY: HSE ready interrupt.
  978. * @arg RCC_IT_PLLRDY: Main PLL ready interrupt.
  979. * @arg RCC_IT_PLLI2SRDY: PLLI2S ready interrupt.
  980. * @arg RCC_IT_CSS: Clock Security System interrupt
  981. * @retval The new state of __INTERRUPT__ (TRUE or FALSE).
  982. */
  983. #define __HAL_RCC_GET_IT(__INTERRUPT__) ((RCC->CIR & (__INTERRUPT__)) == (__INTERRUPT__))
  984. /** @brief Set RMVF bit to clear the reset flags: RCC_FLAG_PINRST, RCC_FLAG_PORRST,
  985. * RCC_FLAG_SFTRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST and RCC_FLAG_LPWRRST.
  986. */
  987. #define __HAL_RCC_CLEAR_RESET_FLAGS() (RCC->CSR |= RCC_CSR_RMVF)
  988. /** @brief Check RCC flag is set or not.
  989. * @param __FLAG__ specifies the flag to check.
  990. * This parameter can be one of the following values:
  991. * @arg RCC_FLAG_HSIRDY: HSI oscillator clock ready.
  992. * @arg RCC_FLAG_HSERDY: HSE oscillator clock ready.
  993. * @arg RCC_FLAG_PLLRDY: Main PLL clock ready.
  994. * @arg RCC_FLAG_PLLI2SRDY: PLLI2S clock ready.
  995. * @arg RCC_FLAG_LSERDY: LSE oscillator clock ready.
  996. * @arg RCC_FLAG_LSIRDY: LSI oscillator clock ready.
  997. * @arg RCC_FLAG_BORRST: POR/PDR or BOR reset.
  998. * @arg RCC_FLAG_PINRST: Pin reset.
  999. * @arg RCC_FLAG_PORRST: POR/PDR reset.
  1000. * @arg RCC_FLAG_SFTRST: Software reset.
  1001. * @arg RCC_FLAG_IWDGRST: Independent Watchdog reset.
  1002. * @arg RCC_FLAG_WWDGRST: Window Watchdog reset.
  1003. * @arg RCC_FLAG_LPWRRST: Low Power reset.
  1004. * @retval The new state of __FLAG__ (TRUE or FALSE).
  1005. */
  1006. #define RCC_FLAG_MASK ((uint8_t)0x1F)
  1007. #define __HAL_RCC_GET_FLAG(__FLAG__) (((((((__FLAG__) >> 5) == 1)? RCC->CR :((((__FLAG__) >> 5) == 2) ? RCC->BDCR :((((__FLAG__) >> 5) == 3)? RCC->CSR :RCC->CIR))) & ((uint32_t)1 << ((__FLAG__) & RCC_FLAG_MASK)))!= 0)? 1 : 0)
  1008. /**
  1009. * @}
  1010. */
  1011. /**
  1012. * @}
  1013. */
  1014. /* Include RCC HAL Extension module */
  1015. #include "stm32f7xx_hal_rcc_ex.h"
  1016. /* Exported functions --------------------------------------------------------*/
  1017. /** @addtogroup RCC_Exported_Functions
  1018. * @{
  1019. */
  1020. /** @addtogroup RCC_Exported_Functions_Group1
  1021. * @{
  1022. */
  1023. /* Initialization and de-initialization functions ******************************/
  1024. HAL_StatusTypeDef HAL_RCC_DeInit(void);
  1025. HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
  1026. HAL_StatusTypeDef HAL_RCC_ClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t FLatency);
  1027. /**
  1028. * @}
  1029. */
  1030. /** @addtogroup RCC_Exported_Functions_Group2
  1031. * @{
  1032. */
  1033. /* Peripheral Control functions ************************************************/
  1034. void HAL_RCC_MCOConfig(uint32_t RCC_MCOx, uint32_t RCC_MCOSource, uint32_t RCC_MCODiv);
  1035. void HAL_RCC_EnableCSS(void);
  1036. void HAL_RCC_DisableCSS(void);
  1037. uint32_t HAL_RCC_GetSysClockFreq(void);
  1038. uint32_t HAL_RCC_GetHCLKFreq(void);
  1039. uint32_t HAL_RCC_GetPCLK1Freq(void);
  1040. uint32_t HAL_RCC_GetPCLK2Freq(void);
  1041. void HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct);
  1042. void HAL_RCC_GetClockConfig(RCC_ClkInitTypeDef *RCC_ClkInitStruct, uint32_t *pFLatency);
  1043. /* CSS NMI IRQ handler */
  1044. void HAL_RCC_NMI_IRQHandler(void);
  1045. /* User Callbacks in non blocking mode (IT mode) */
  1046. void HAL_RCC_CSSCallback(void);
  1047. /**
  1048. * @}
  1049. */
  1050. /**
  1051. * @}
  1052. */
  1053. /* Private types -------------------------------------------------------------*/
  1054. /* Private variables ---------------------------------------------------------*/
  1055. /* Private constants ---------------------------------------------------------*/
  1056. /** @defgroup RCC_Private_Constants RCC Private Constants
  1057. * @{
  1058. */
  1059. #define HSE_TIMEOUT_VALUE HSE_STARTUP_TIMEOUT
  1060. #define HSI_TIMEOUT_VALUE ((uint32_t)2) /* 2 ms */
  1061. #define LSI_TIMEOUT_VALUE ((uint32_t)2) /* 2 ms */
  1062. #define PLL_TIMEOUT_VALUE ((uint32_t)2) /* 2 ms */
  1063. #define CLOCKSWITCH_TIMEOUT_VALUE ((uint32_t)5000) /* 5 s */
  1064. #define PLLI2S_TIMEOUT_VALUE 100U /* Timeout value fixed to 100 ms */
  1065. #define PLLSAI_TIMEOUT_VALUE 100U /* Timeout value fixed to 100 ms */
  1066. /** @defgroup RCC_BitAddress_Alias RCC BitAddress Alias
  1067. * @brief RCC registers bit address alias
  1068. * @{
  1069. */
  1070. /* CIR register byte 2 (Bits[15:8]) base address */
  1071. #define RCC_CIR_BYTE1_ADDRESS ((uint32_t)(RCC_BASE + 0x0C + 0x01))
  1072. /* CIR register byte 3 (Bits[23:16]) base address */
  1073. #define RCC_CIR_BYTE2_ADDRESS ((uint32_t)(RCC_BASE + 0x0C + 0x02))
  1074. #define RCC_DBP_TIMEOUT_VALUE ((uint32_t)100)
  1075. #define RCC_LSE_TIMEOUT_VALUE LSE_STARTUP_TIMEOUT
  1076. /**
  1077. * @}
  1078. */
  1079. /**
  1080. * @}
  1081. */
  1082. /* Private macros ------------------------------------------------------------*/
  1083. /** @addtogroup RCC_Private_Macros RCC Private Macros
  1084. * @{
  1085. */
  1086. /** @defgroup RCC_IS_RCC_Definitions RCC Private macros to check input parameters
  1087. * @{
  1088. */
  1089. #define IS_RCC_OSCILLATORTYPE(OSCILLATOR) ((OSCILLATOR) <= 15)
  1090. #define IS_RCC_HSE(HSE) (((HSE) == RCC_HSE_OFF) || ((HSE) == RCC_HSE_ON) || \
  1091. ((HSE) == RCC_HSE_BYPASS))
  1092. #define IS_RCC_LSE(LSE) (((LSE) == RCC_LSE_OFF) || ((LSE) == RCC_LSE_ON) || \
  1093. ((LSE) == RCC_LSE_BYPASS))
  1094. #define IS_RCC_HSI(HSI) (((HSI) == RCC_HSI_OFF) || ((HSI) == RCC_HSI_ON))
  1095. #define IS_RCC_LSI(LSI) (((LSI) == RCC_LSI_OFF) || ((LSI) == RCC_LSI_ON))
  1096. #define IS_RCC_PLL(PLL) (((PLL) == RCC_PLL_NONE) ||((PLL) == RCC_PLL_OFF) || ((PLL) == RCC_PLL_ON))
  1097. #define IS_RCC_PLLSOURCE(SOURCE) (((SOURCE) == RCC_PLLSOURCE_HSI) || \
  1098. ((SOURCE) == RCC_PLLSOURCE_HSE))
  1099. #define IS_RCC_SYSCLKSOURCE(SOURCE) (((SOURCE) == RCC_SYSCLKSOURCE_HSI) || \
  1100. ((SOURCE) == RCC_SYSCLKSOURCE_HSE) || \
  1101. ((SOURCE) == RCC_SYSCLKSOURCE_PLLCLK))
  1102. #define IS_RCC_PLLM_VALUE(VALUE) ((2 <= (VALUE)) && ((VALUE) <= 63))
  1103. #define IS_RCC_PLLN_VALUE(VALUE) ((50 <= (VALUE)) && ((VALUE) <= 432))
  1104. #define IS_RCC_PLLP_VALUE(VALUE) (((VALUE) == RCC_PLLP_DIV2) || ((VALUE) == RCC_PLLP_DIV4) || \
  1105. ((VALUE) == RCC_PLLP_DIV6) || ((VALUE) == RCC_PLLP_DIV8))
  1106. #define IS_RCC_PLLQ_VALUE(VALUE) ((2 <= (VALUE)) && ((VALUE) <= 15))
  1107. #define IS_RCC_HCLK(HCLK) (((HCLK) == RCC_SYSCLK_DIV1) || ((HCLK) == RCC_SYSCLK_DIV2) || \
  1108. ((HCLK) == RCC_SYSCLK_DIV4) || ((HCLK) == RCC_SYSCLK_DIV8) || \
  1109. ((HCLK) == RCC_SYSCLK_DIV16) || ((HCLK) == RCC_SYSCLK_DIV64) || \
  1110. ((HCLK) == RCC_SYSCLK_DIV128) || ((HCLK) == RCC_SYSCLK_DIV256) || \
  1111. ((HCLK) == RCC_SYSCLK_DIV512))
  1112. #define IS_RCC_CLOCKTYPE(CLK) ((1 <= (CLK)) && ((CLK) <= 15))
  1113. #define IS_RCC_PCLK(PCLK) (((PCLK) == RCC_HCLK_DIV1) || ((PCLK) == RCC_HCLK_DIV2) || \
  1114. ((PCLK) == RCC_HCLK_DIV4) || ((PCLK) == RCC_HCLK_DIV8) || \
  1115. ((PCLK) == RCC_HCLK_DIV16))
  1116. #define IS_RCC_MCO(MCOX) (((MCOX) == RCC_MCO1) || ((MCOX) == RCC_MCO2))
  1117. #define IS_RCC_MCO1SOURCE(SOURCE) (((SOURCE) == RCC_MCO1SOURCE_HSI) || ((SOURCE) == RCC_MCO1SOURCE_LSE) || \
  1118. ((SOURCE) == RCC_MCO1SOURCE_HSE) || ((SOURCE) == RCC_MCO1SOURCE_PLLCLK))
  1119. #define IS_RCC_MCO2SOURCE(SOURCE) (((SOURCE) == RCC_MCO2SOURCE_SYSCLK) || ((SOURCE) == RCC_MCO2SOURCE_PLLI2SCLK)|| \
  1120. ((SOURCE) == RCC_MCO2SOURCE_HSE) || ((SOURCE) == RCC_MCO2SOURCE_PLLCLK))
  1121. #define IS_RCC_MCODIV(DIV) (((DIV) == RCC_MCODIV_1) || ((DIV) == RCC_MCODIV_2) || \
  1122. ((DIV) == RCC_MCODIV_3) || ((DIV) == RCC_MCODIV_4) || \
  1123. ((DIV) == RCC_MCODIV_5))
  1124. #define IS_RCC_CALIBRATION_VALUE(VALUE) ((VALUE) <= 0x1F)
  1125. #define IS_RCC_RTCCLKSOURCE(SOURCE) (((SOURCE) == RCC_RTCCLKSOURCE_LSE) || ((SOURCE) == RCC_RTCCLKSOURCE_LSI) || \
  1126. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV2) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV3) || \
  1127. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV4) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV5) || \
  1128. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV6) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV7) || \
  1129. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV8) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV9) || \
  1130. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV10) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV11) || \
  1131. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV12) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV13) || \
  1132. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV14) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV15) || \
  1133. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV16) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV17) || \
  1134. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV18) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV19) || \
  1135. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV20) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV21) || \
  1136. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV22) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV23) || \
  1137. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV24) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV25) || \
  1138. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV26) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV27) || \
  1139. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV28) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV29) || \
  1140. ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV30) || ((SOURCE) == RCC_RTCCLKSOURCE_HSE_DIV31))
  1141. #define IS_RCC_LSE_DRIVE(DRIVE) (((DRIVE) == RCC_LSEDRIVE_LOW) || \
  1142. ((DRIVE) == RCC_LSEDRIVE_MEDIUMLOW) || \
  1143. ((DRIVE) == RCC_LSEDRIVE_MEDIUMHIGH) || \
  1144. ((DRIVE) == RCC_LSEDRIVE_HIGH))
  1145. /**
  1146. * @}
  1147. */
  1148. /**
  1149. * @}
  1150. */
  1151. /**
  1152. * @}
  1153. */
  1154. /**
  1155. * @}
  1156. */
  1157. #ifdef __cplusplus
  1158. }
  1159. #endif
  1160. #endif /* __STM32F7xx_HAL_RCC_H */
  1161. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/